1604335156 has 6 divisors (see below), whose sum is σ = 2807586530. Its totient is φ = 802167576.

The previous prime is 1604335153. The next prime is 1604335163. The reversal of 1604335156 is 6515334061.

It can be written as a sum of positive squares in only one way, i.e., 1481480100 + 122855056 = 38490^2 + 11084^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1604335153) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 200541891 + ... + 200541898.

Almost surely, 2^1604335156 is an apocalyptic number.

It is an amenable number.

1604335156 is a deficient number, since it is larger than the sum of its proper divisors (1203251374).

1604335156 is a wasteful number, since it uses less digits than its factorization.

1604335156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 401083793 (or 401083791 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 34.

The square root of 1604335156 is about 40054.1527934370. The cubic root of 1604335156 is about 1170.6624820979.

The spelling of 1604335156 in words is "one billion, six hundred four million, three hundred thirty-five thousand, one hundred fifty-six".